Home / 727,714.90-1,091,572.35-696,999.70

Finding the Fourth Proportional to 727,714.90, 1,091,572.35 and 696,999.70

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Solution

The fourth proportional to 727,714.90, 1,091,572.35 and 696,999.70 is: 1,045,499.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,714.90 : 1,091,572.35 = 696,999.70 : x
  2. Step 2: Convert to fraction form
    727,714.90/1,091,572.35 = 696,999.70/x
  3. Step 3: Cross multiply
    727,714.90x = 1,091,572.35 × 696,999.70
  4. Step 4: Simplify right side
    727,714.90x = 760,825,600,478.30
  5. Step 5: Solve for x
    x = 760,825,600,478.30/727,714.90
  6. Step 6: Final answer
    x = 1,045,499.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.